package org.apache.maven.profiles.activation;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.model.Activation;
import org.apache.maven.model.Profile;
import org.codehaus.plexus.util.StringUtils;

@Deprecated
public class JdkPrefixProfileActivator extends DetectedProfileActivator {
  private static final String JDK_VERSION = System.getProperty("java.version");

  public boolean isActive(Profile profile) throws ProfileActivationException {
    Activation activation = profile.getActivation();

    String jdk = activation.getJdk();

    // null case is covered by canDetermineActivation(), so we can do a straight startsWith() here.
    if (jdk.startsWith("[") || jdk.startsWith("(")) {
      try {
        return matchJdkVersionRange(jdk);
      } catch (InvalidVersionSpecificationException e) {
        throw new ProfileActivationException(
            "Invalid JDK version in profile '" + profile.getId() + "': " + e.getMessage());
      }
    }

    boolean reverse = false;

    if (jdk.startsWith("!")) {
      reverse = true;
      jdk = jdk.substring(1);
    }

    if (getJdkVersion().startsWith(jdk)) {
      return !reverse;
    } else {
      return reverse;
    }
  }

  private boolean matchJdkVersionRange(String jdk) throws InvalidVersionSpecificationException {
    VersionRange jdkVersionRange = VersionRange.createFromVersionSpec(convertJdkToMavenVersion(jdk));
    DefaultArtifactVersion jdkVersion = new DefaultArtifactVersion(convertJdkToMavenVersion(getJdkVersion()));
    return jdkVersionRange.containsVersion(jdkVersion);
  }

  private String convertJdkToMavenVersion(String jdk) {
    return jdk.replaceAll("_", "-");
  }

  protected String getJdkVersion() {
    return JDK_VERSION;
  }

  protected boolean canDetectActivation(Profile profile) {
    return profile.getActivation() != null && StringUtils.isNotEmpty(profile.getActivation().getJdk());
  }

}
